G400 Series
Supports up to 4 GSM channels; supplied with fully GPL drivers for linux 2.4.X and 2.6.X kernels; can be connected to any other OpenVox card to build a real TDM switching PBX;
GSM/LTE/WCDMA Wireless Gateways
OpenVox SWG-M20X G/L Series Wireless Gateway
GSM/WCDMA/LTE gateways support 2/4 channels; support multiple codecs.
- SWG-M202GProduct name
- 2Number of channels
- 2SIM card slots
Product details
The OpenVox SWG-M20X series wireless gateways include the SWG-M202G/W/L and SWG-M204G/W/L models. The SWG-M20X series wireless gateways support multiple codecs, including G.711U, G.711A, GSM, G.722, G.726, and G.729. Our products support SMS sending, receiving, bulk sending, and SMS-to-email conversion. The SWG-M20X series is fully compatible with Asterisk, 3CX, FreePBX, FreeSWITCH, SIP servers, and the VOS VoIP platform. It offers users more diverse telecom access methods and helps reduce communication costs.
Key features
VoIP features
Support for SIP, IAX2 protocols
Add, edit and delete SIP/IAX2 trunks
SIP/IAX2 registration with domain
SIP V2.0 RFC3261 compliance
DTMF mode: RFC2833/Inband/SIP Info
Multiple SIP/IAX2 registration modes
Extensive codecs: G.711A, G.711U, G.729, G.722, G.726, GSM
Network
IPv4, UDP/TCP, DHCP, TELNET, HTTP/HTTPS, TFTPOpen VPN/N2N
Open VPN / N2N VPN / PPTP VPN (not available for EAEU)
HTTP/SSH (optional Telnet)
Web Ping & Traceroute commands
Simple security strategy: whitelist, blacklist, security rules
Management
Simple and convenient configuration via Web GUI
Maintenance and configuration via SSH
Configuration file backup and download
Chinese and English pages
Firmware update via HTTP
Change the Web and SSH access password
Restore factory settings
CDR (more than 200 000 CDR lines stored locally)
System log
SIP/IAX2 log
TCP and SIP capture
System features
Combine different SIP/IAX2 trunks into a group
CLID display & hiding (requires operator support)
Random call interval
Call duration limit
Single-call duration limit
Real Open API protocol (Asterisk-based)
DISA support
SMSC/SMS/USSD
PIN identification
Optional voice codec
Port group management
Remote gateway control via SMS
Bulk SMS transceiver, email delivery and automatic forwarding
Automatic SMS encoding/detection
SMS forwarding and quick reply
USSD transceiver
Outgoing
Automatic restart
MMP support
Custom scripts and dial plans support
Openvox cloud management support
Certification
CE
Specifications
| Specification | Value |
|---|---|
| Product name | SWG-M202G |
| Module type | GSM / |
| Number of channels | 2 |
| SIM card slots | 2 |
| Band | 850/900/1800/1900MHz@GSM / |
| Weight (without antenna) | 487g |
| Power adapter | 12V/1A |
| Dimensions (without antenna) | 206mm*125mm*27mm |
| SIM card | Hot‑Swap |
| LAN | 1*10/100M |
| WAN | 1*10/100M |
| Operating temperature | 0℃ ~ 40℃ |
| Operating humidity range | 10% ~ 90% |
| Storage temperature range | -20℃ ~ 70℃ |
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